# coding: utf-8

# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------

"""
FILE: send_email_to_single_recipient_sample_async.py
DESCRIPTION:
    This sample demonstrates sending an email to a single recipient. The Email client is 
    authenticated using a connection string.
USAGE:
    python send_email_to_single_recipient_sample_async.py
    Set the environment variable with your own value before running the sample:
    1) COMMUNICATION_CONNECTION_STRING_EMAIL - the connection string in your ACS resource
    2) SENDER_ADDRESS - the address found in the linked domain that will send the email
    3) RECIPIENT_ADDRESS - the address that will receive the email
"""

import os
import sys
import asyncio
from azure.core.exceptions import HttpResponseError
from azure.communication.email.aio import EmailClient

sys.path.append("..")


class EmailSingleRecipientSampleAsync(object):

    connection_string = os.environ["COMMUNICATION_CONNECTION_STRING_EMAIL"]
    sender_address = os.environ["SENDER_ADDRESS"]
    recipient_address = os.environ["RECIPIENT_ADDRESS"]

    async def send_email_to_single_recipient_async(self):
        # creating the email client
        email_client = EmailClient.from_connection_string(self.connection_string)

        # creating the email message
        message = {
            "content": {
                "subject": "This is the subject",
                "plainText": "This is the body",
                "html": "html><h1>This is the body</h1></html>",
            },
            "recipients": {"to": [{"address": self.recipient_address, "displayName": "Customer Name"}]},
            "senderAddress": self.sender_address,
        }

        async with email_client:
            try:
                # sending the email message
                poller = await email_client.begin_send(message)
                response = await poller.result()
                print("Operation ID: " + response["id"])
            except HttpResponseError as ex:
                print(ex)
                pass


if __name__ == "__main__":
    sample = EmailSingleRecipientSampleAsync()
    asyncio.run(sample.send_email_to_single_recipient_async())
